code: def test2(self):
      obj = MockDistribution(chainer.Variable(numpy.array([1.0])))
      with chainer.no_backprop_mode():
          h0 = obj.h
          h1 = obj.h
      assert obj.h_call_count == 1
      assert h0 is h1
      numpy.testing.assert_allclose(h0.array, 2.0)
  
file_path: chainer/tests/chainer_tests/utils_tests/test_cache.py
imports: import unittest
  import numpy
  import chainer
  from chainer import testing
  from chainer.utils import cache
label_desc: Use image node_id 3 for calling the TestCachedProperty obj's underlying member method code with example usage: obj.test2() without return types